Home / 7,974,865.80-11,961,718.34-3,116,262.24

Finding the Fourth Proportional to 7,974,865.80, 11,961,718.34 and 3,116,262.24

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Solution

The fourth proportional to 7,974,865.80, 11,961,718.34 and 3,116,262.24 is: 4,674,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,865.80 : 11,961,718.34 = 3,116,262.24 : x
  2. Step 2: Convert to fraction form
    7,974,865.80/11,961,718.34 = 3,116,262.24/x
  3. Step 3: Cross multiply
    7,974,865.80x = 11,961,718.34 × 3,116,262.24
  4. Step 4: Simplify right side
    7,974,865.80x = 37,275,851,172,876.18
  5. Step 5: Solve for x
    x = 37,275,851,172,876.18/7,974,865.80
  6. Step 6: Final answer
    x = 4,674,166.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.